Description
BALANCER CONNECT BOARD JK (24S 4AMP) (s55a)
24S 4A Battery Balance Connect Board — Balancer Connect Board (JK, 24S 4 A)
🔋 Product Description
The 24S 4 A Balancer Connect Board (JK) is a battery balancing board designed to help balance the voltages of individual cells in large lithium battery packs up to 24 cells in series (24S). It is ideal for use with battery setups such as solar energy storage systems, EV packs, UPS/inverters, and DIY battery builds where cell imbalance can reduce performance and shorten lifespan.
This board typically connects to the battery’s balance leads or BMS harness and performs active balancing — transferring energy between higher‑voltage and lower‑voltage cells — to maintain uniform voltage levels across the pack with up to 4 A balancing current.
It’s a simple and effective way to improve pack health and efficiency, especially in packs where the main BMS has limited balancing capability or where external balancing is preferred.
⚙️ Key Features
• 🔋 2S–24S support: Works across most large lithium packs up to ~90 V nominal.
• ⚡ Up to 4 A active balancing: Higher balancing current helps correct voltage differences faster than lower‑current boards.
• 🔄 Energy transfer balancing: More efficient than passive balancers that simply dissipate energy as heat.
• 🔌 Connects to balance harness: Easy integration with existing battery BMS wiring.
• ⚙️ Multi‑chemistry compatibility: Li‑ion, LiFePO₄, and similar lithium types supported.
💡 Note: This board is focused on balancing and does not replace a full BMS. For full protection (over‑charge/discharge/fault detection), pair it with an appropriate battery management system.







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